HP LasetJet M1120 manual Problem solve

Page 7

Control-panel assembly

58

Scanner assembly

60

Product base

65

Print cartridge

65

Separation pad

66

Pickup roller

67

Scanner cushions

70

Media input tray

71

Transfer roller

73

Side covers

74

Print-cartridge door

76

Rear cover and fuser cover

77

Front cover

79

Formatter

81

Power supply

82

Scanner support frame

86

Laser/scanner assembly

89

Main motor

93

Fuser

96

Paper-pickup assembly

100

Drive-gear assembly and drive belt

103

6 Problem solve

 

Problem-solving checklist

106

Control-panel messages

108

Alert and warning messages

108

Alert and warning message tables

108

Critical error messages

109

Critical error message-tables

109

Clear jams

111

Causes of jams

111

Where to look for jams

112

Clear jams from the input-tray areas

112

Clear jams from the output bin

115

Clear jams from the print-cartridge area

116

Avoid repeated jams

117

Print problems

118

Print-quality problems

118

Improve print quality

118

Print-quality settings

118

Identify and correct print defects

119

Print-quality checklist

119

General print-quality issues

120

Scan problems

124

Solve scanned-image problems

124

Scan-quality problems

126

Prevent problems

126

Solve scan-quality problems

126

Copy problems

127

Prevent problems

127

ENWW

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Contents HP LaserJet M1120 MFP Series Page HP LaserJet M1120 MFP Series Copyright and License Table of contents Removal and replacement MaintenanceOperational theory Problem solve Parts Appendix B Specifications Appendix a Service and supportAppendix C Regulatory information 199